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Diffstat (limited to 'libressl/include/openssl/sha.h')
| -rw-r--r-- | libressl/include/openssl/sha.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/libressl/include/openssl/sha.h b/libressl/include/openssl/sha.h new file mode 100644 index 00000000..87fdf8d1 --- /dev/null +++ b/libressl/include/openssl/sha.h @@ -0,0 +1,192 @@ +/* $OpenBSD: sha.h,v 1.21 2015/09/13 21:09:56 doug Exp $ */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include <stddef.h> + +#ifndef HEADER_SHA_H +#define HEADER_SHA_H +#if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__OpenBSD__) +#define __bounded__(x, y, z) +#endif + +#include <openssl/opensslconf.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#if defined(OPENSSL_NO_SHA) || defined(OPENSSL_NO_SHA1) +#error SHA is disabled. +#endif + +/* + * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + * ! SHA_LONG has to be at least 32 bits wide. ! + * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! + */ + +#define SHA_LONG unsigned int + +#define SHA_LBLOCK 16 +#define SHA_CBLOCK (SHA_LBLOCK*4) /* SHA treats input data as a + * contiguous array of 32 bit + * wide big-endian values. */ +#define SHA_LAST_BLOCK (SHA_CBLOCK-8) +#define SHA_DIGEST_LENGTH 20 + +typedef struct SHAstate_st + { + SHA_LONG h0,h1,h2,h3,h4; + SHA_LONG Nl,Nh; + SHA_LONG data[SHA_LBLOCK]; + unsigned int num; + } SHA_CTX; + +#ifndef OPENSSL_NO_SHA1 +int SHA1_Init(SHA_CTX *c); +int SHA1_Update(SHA_CTX *c, const void *data, size_t len) + __attribute__ ((__bounded__(__buffer__,2,3))); +int SHA1_Final(unsigned char *md, SHA_CTX *c); +unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md) + __attribute__ ((__bounded__(__buffer__,1,2))); +void SHA1_Transform(SHA_CTX *c, const unsigned char *data); +#endif + +#define SHA256_CBLOCK (SHA_LBLOCK*4) /* SHA-256 treats input data as a + * contiguous array of 32 bit + * wide big-endian values. */ +#define SHA224_DIGEST_LENGTH 28 +#define SHA256_DIGEST_LENGTH 32 + +typedef struct SHA256state_st + { + SHA_LONG h[8]; + SHA_LONG Nl,Nh; + SHA_LONG data[SHA_LBLOCK]; + unsigned int num,md_len; + } SHA256_CTX; + +#ifndef OPENSSL_NO_SHA256 +int SHA224_Init(SHA256_CTX *c); +int SHA224_Update(SHA256_CTX *c, const void *data, size_t len) + __attribute__ ((__bounded__(__buffer__,2,3))); +int SHA224_Final(unsigned char *md, SHA256_CTX *c); +unsigned char *SHA224(const unsigned char *d, size_t n,unsigned char *md) + __attribute__ ((__bounded__(__buffer__,1,2))); +int SHA256_Init(SHA256_CTX *c); +int SHA256_Update(SHA256_CTX *c, const void *data, size_t len) + __attribute__ ((__bounded__(__buffer__,2,3))); +int SHA256_Final(unsigned char *md, SHA256_CTX *c); +unsigned char *SHA256(const unsigned char *d, size_t n,unsigned char *md) + __attribute__ ((__bounded__(__buffer__,1,2))); +void SHA256_Transform(SHA256_CTX *c, const unsigned char *data); +#endif + +#define SHA384_DIGEST_LENGTH 48 +#define SHA512_DIGEST_LENGTH 64 + +#ifndef OPENSSL_NO_SHA512 +/* + * Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64 + * being exactly 64-bit wide. See Implementation Notes in sha512.c + * for further details. + */ +#define SHA512_CBLOCK (SHA_LBLOCK*8) /* SHA-512 treats input data as a + * contiguous array of 64 bit + * wide big-endian values. */ +#if defined(_LP64) +#define SHA_LONG64 unsigned long +#define U64(C) C##UL +#else +#define SHA_LONG64 unsigned long long +#define U64(C) C##ULL +#endif + +typedef struct SHA512state_st + { + SHA_LONG64 h[8]; + SHA_LONG64 Nl,Nh; + union { + SHA_LONG64 d[SHA_LBLOCK]; + unsigned char p[SHA512_CBLOCK]; + } u; + unsigned int num,md_len; + } SHA512_CTX; +#endif + +#ifndef OPENSSL_NO_SHA512 +int SHA384_Init(SHA512_CTX *c); +int SHA384_Update(SHA512_CTX *c, const void *data, size_t len) + __attribute__ ((__bounded__(__buffer__,2,3))); +int SHA384_Final(unsigned char *md, SHA512_CTX *c); +unsigned char *SHA384(const unsigned char *d, size_t n,unsigned char *md) + __attribute__ ((__bounded__(__buffer__,1,2))); +int SHA512_Init(SHA512_CTX *c); +int SHA512_Update(SHA512_CTX *c, const void *data, size_t len) + __attribute__ ((__bounded__(__buffer__,2,3))); +int SHA512_Final(unsigned char *md, SHA512_CTX *c); +unsigned char *SHA512(const unsigned char *d, size_t n,unsigned char *md) + __attribute__ ((__bounded__(__buffer__,1,2))); +void SHA512_Transform(SHA512_CTX *c, const unsigned char *data); +#endif + +#ifdef __cplusplus +} +#endif + +#endif |